CN114314738B - Water pollution treatment device with day and night rhythm - Google Patents
Water pollution treatment device with day and night rhythm Download PDFInfo
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- CN114314738B CN114314738B CN202111634738.XA CN202111634738A CN114314738B CN 114314738 B CN114314738 B CN 114314738B CN 202111634738 A CN202111634738 A CN 202111634738A CN 114314738 B CN114314738 B CN 114314738B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The invention discloses a water pollution treatment device with circadian rhythm, which comprises a cylindrical reactor which is penetrated up and down, wherein a plurality of layers of screen boxes are arranged in the reactor, photocatalytic gel particles are distributed in the screen boxes, a plurality of water pipes are longitudinally arranged on the periphery of the reactor, the water pipes extend from the bottom to the top of the reactor, a spraying device is connected to the top of the reactor, a plurality of rotating mechanisms are arranged on the water pipes, a plurality of horizontally arranged solar panels are connected through the rotating mechanisms, the reactor corresponds to a horizontal position opening of the solar panels, the solar panels are driven by the rotating mechanisms to be screwed into the reactor to seal the upper part of the screen boxes or to be screwed out of the reactor to fully absorb solar energy, a lifting device is arranged below the reactor, the lifting device is connected with an energy storage device, the energy storage device is positioned above the liquid level, and a photosensitive element is arranged at the same time. The device can fully utilize solar energy to degrade organic pollutants in the water environment.
Description
Technical Field
The invention relates to the technical field of water pollution treatment, in particular to a water pollution treatment device with a circadian rhythm.
Background
With the increasing severity of river water pollutants, black and odorous water bodies appear even around the country. Therefore, researchers around the world address river water pollution by various methods. The photocatalysis is an effective water pollution treatment method, and is favored by a plurality of researchers due to the advantages of high efficiency, energy conservation, safety and the like. For example, ZL 201620535433.1 is a large-scale automatic control field effect integrated water quality purification device, concentrated water purification treatment of water supply plants is carried out on reservoirs, rivers or surface water sources through the device, and due to the action of photomagnetic quantum of a photocatalysis pool, the service life of an electron hole pair is prolonged, so that pollutants such as algae, bacteria and the like are prevented from breeding under the irradiation of sunlight. In addition, ZL201710057850.9 discloses a visible light response photocatalytic ecological bank protection brick and a preparation method thereof, the visible light response photocatalytic ecological bank protection brick has the advantages of integrated functions of the ecological bank protection brick and low manufacturing cost, and can achieve the effects of purifying water quality and fixing bank and protecting slope while degrading organic pollutants by means of photocatalysis and considering ecological effects. However, the device of this patent is not mobile and is difficult to clean surfaces. Meanwhile, the catalyst is difficult to replace after passivation, and the replacement cost is high.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the background art, the invention discloses a water pollution treatment device with a circadian rhythm.
The technical scheme is as follows: the invention discloses a water pollution treatment device with circadian rhythm, which comprises a cylindrical reactor which penetrates through the reactor from top to bottom, wherein a plurality of screen boxes are arranged in the reactor, photocatalytic gel particles are distributed in the screen boxes, a plurality of water pipes are longitudinally arranged on the periphery of the reactor, the water pipes extend from the bottom to the top of the reactor, a spraying device is connected to the top of the reactor, a plurality of rotating mechanisms are arranged on the water pipes, a plurality of horizontally arranged solar panels are connected through the rotating mechanisms, the reactor corresponds to a horizontal opening of the solar panels, the solar panels are driven by the rotating mechanisms to be screwed into the reactor to seal the upper part of the screen boxes or screwed out of the reactor to fully absorb solar energy, a lifting device is arranged below the reactor, the lifting device is connected with an energy storage device, the energy storage device is positioned above the liquid level, a photosensitive element is arranged at the same time, the illumination intensity is judged through the photosensitive element, the lifting device is controlled to drive the reactor to submerge the pollutants under the liquid or extend out of the liquid level to degrade the pollutants, the solar panels seal the screen boxes when the reactor is submerged under the liquid, and when the reactor is extended out of the liquid, the screen boxes are fully absorbed by the rotating mechanisms, and the spraying device is used for cleaning the photocatalytic gel particles in the box opened above the reactor.
Furthermore, when the light intensity sensed by the photosensitive element is larger than 100lux, the lifting device drives the reactor to extend out of the liquid level, the solar panel is screwed out by the rotating mechanism to fully absorb solar energy, and meanwhile, the spraying device cleans photocatalytic gel particles in the screen box opened above the solar panel; when the brightness is lower than 100lux, the solar panel is closed to rotate back, the reactor is moved to the position below the liquid level through the lifting device, water permeates into the reactor, and the photocatalytic gel particles continuously adsorb pollutants.
Furthermore, the spraying time interval of the spraying device is conducted through the photosensitive element, and the spraying time interval is gradually reduced along with the reduction of the light intensity.
Further, when the sunlight is more than 5 ten thousand lux, the spraying device sprays for 10 minutes every 30 minutes; when the volume is more than 1 ten thousand lux, spraying for 10 minutes at an interval of 50 minutes; spraying for 10 minutes every 1.5 hours when the volume is more than 1000 lux; when the volume is more than 100lux, spraying is carried out for 10 minutes every 3 hours.
Furthermore, the screen box comprises a full-circle screen box fixed at the bottom of the reactor and a split fan-shaped screen box arranged above the full-circle screen box, the split fan-shaped screen box is distributed in multiple layers in a staggered manner, and the lifting device is fixedly connected with the full-circle screen box at the bottom.
Furthermore, the upper end of the lifting device is connected with a spiral column, and the split fan-shaped screen boxes are connected with the spiral column and driven by the spiral column to rotate by an angle above the full-circle screen box.
Furthermore, the end of intaking of water pipe is equipped with the filter, filters aquatic impurity.
Furthermore, the inner wall of the reactor is provided with a reflecting mirror surface for reflecting and refracting sunlight.
Further, the photocatalytic gel particles are potassium iodide modified carbon nitride gel particles, and the preparation method of the potassium iodide modified carbon nitride gel particles is as follows: firstly, grinding 1-4g of dicyandiamide and 2-8g of potassium iodide, putting the uniformly mixed sample into a tube furnace filled with nitrogen for high-temperature calcination at the temperature of 500-600 ℃, and raising the temperature at a high speedThe rate is 2-5 ℃/min, and the calcination time is 4-8h. Stirring the obtained yellow powder in 100mL of deionized water for 8-12h, carrying out suction filtration, and drying the sample in vacuum at 60-80 ℃ for later use; adding 0.1-0.3g of the prepared sample and 1g-3g of sodium alginate into 50mL of water, fully stirring for 8-10h, uniformly dispersing, and then dripping 0.1g/mL-0.3g/mL of CaCl into the uniformly dispersed sample 2 In solution, gel particles were prepared using a peristaltic pump at a speed of 15 mL/h.
Has the advantages that: compared with the prior art:
(1) According to the invention, the gel catalyst is selected, and the unique cavity structure of the gel and the rich functional groups contained in the gel can realize efficient pollutant adsorption;
(2) The design of the spraying device can prevent the gel from shrinking under constant illumination, and the existence of the spraying device can continuously keep the gel to adsorb pollutants;
(3) After the spiral column rotates, all the gel particles can fully utilize solar energy, the light energy utilization rate is improved, and efficient photocatalytic degradation of organic pollutants in water environment is realized;
(4) The lifting device is adjusted through the photosensitive element, so that solar energy is converted into electric energy, the running energy consumption can be effectively reduced, and energy conservation and environmental protection are realized;
(5) The invention has the advantages of simple and convenient assembly and disassembly, low construction cost, easy maintenance and management, convenient application, direct use and suitable popularization.
Drawings
FIG. 1 is a view of a reactor according to the invention in a submerged configuration;
FIG. 2 is a view showing the structure of the reactor of the present invention on the liquid level;
FIG. 3 is a graph showing the experimental color change of methylene blue adsorbed and degraded by potassium iodide modified carbon nitride gel particles in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a water pollution treatment device with circadian rhythm includes a cylindrical reactor 1 which runs through from top to bottom, a plurality of layers of screen boxes 2 are arranged in the reactor 1, photocatalytic gel particles 3 are arranged in the screen boxes 2, the aperture of the screen boxes 2 is smaller than the photocatalytic gel particles 3, a plurality of water pipes 4 are longitudinally arranged on the periphery of the reactor 1, the water pipes 4 extend to the top from the bottom of the reactor 1, and are connected with a spraying device 5 at the top, a plurality of rotating mechanisms 6 are arranged on the water pipes 4, a plurality of horizontally arranged solar panels 7 are connected through the rotating mechanisms 6, the reactor 1 corresponds to a horizontal position opening of the solar panels 7, the solar panels 7 are driven by the rotating mechanisms 6 to be screwed into the reactor 1 to seal the upper part of the screen boxes 2 or screwed out of the reactor 1 to fully absorb solar energy, a lifting device 8 is arranged below the reactor 1, the lifting device 8 is connected with an energy storage device 9, the energy storage device 9 is arranged above the liquid level, a photosensitive element 10 is arranged at the same time, the photosensitive element 10 is used for judging the illumination intensity, controlling the lifting device 8 to drive the reactor 1 to absorb pollutants under the liquid, the liquid level, the liquid surface, the pollutants to be opened, the photosensitive element to be more than the photosensitive element 10, the photosensitive element when the photosensitive element 2, the photosensitive element 5 is used for degrading the photosensitive element, the photosensitive element 5, the photosensitive element is used for degrading device, and the photosensitive device is used for degrading the photosensitive device 2, and the photosensitive device is used for degrading device, and the photosensitive device is used for degrading the photosensitive device 2. The screen box 2 comprises a full-circle screen box fixed at the bottom of the reactor 1 and a split fan-shaped screen box arranged above the full-circle screen box, the split fan-shaped screen box is distributed in multiple layers in a staggered mode, and the lifting device 8 is fixedly connected with the full-circle screen box at the bottom.
The spraying time interval of the spraying device 5 is conducted through the photosensitive element 10, the spraying time interval of the spraying device is conducted through the photosensitive element, and the spraying time interval is gradually reduced along with the reduction of the light intensity. When the sunlight is more than 5 ten thousand lux, spraying for 10 minutes every 30 minutes; when the volume is more than 1 ten thousand lux, spraying for 10 minutes at an interval of 50 minutes; spraying for 10 minutes every 1.5 hours when the volume is more than 1000 lux; when the volume is more than 100lux, spraying is carried out for 10 minutes every 3 hours.
The spraying and cleaning can also ensure that the gel particles can not deform and shrink, and the catalyst can adsorb pollutants again while cooling.
The lifting device 8 is connected with a spiral column 11 at the upper end, and the split fan-shaped screen boxes are connected with the spiral column 11 and driven by the same to rotate by an angle above the full-circle screen box.
The water inlet end of the water pipe 4 is provided with a filter 12. The inner wall of the reactor 1 is provided with a reflecting mirror surface 13.
When in use:
firstly, opening a solar panel 7, uniformly spreading a layer of prepared photocatalytic gel particles 3 on a screen box 2, then closing the solar panel, and then fixing the reactor 1 below the liquid level of a river or a lake through a lifting device 8 to adsorb pollutants. Wherein spray set 5 is from taking the sensor, can control the elevating gear of reactor, makes the reactor be in the liquid level below, all is in the liquid level below when so no matter rich water period, dry season can guarantee to adsorb. Then the light sensing element 10 senses that the brightness is more than 100lux and then the lifting device is controlled to ascend through a circuit. At this point, excess water was drained from the reactor. And meanwhile, the solar panel is opened to receive solar energy and supply power to the system. The mirror surface 13 will also reflect sunlight, allowing the photocatalyst gel particles to receive more solar energy. Then, the water is sprayed for a certain time through the filter 12, the water pipe 4 and the spraying device at regular intervals (the interval time and the spraying time are determined according to the numerical value of the photosensitive element, when the sunlight is more than 5 ten thousand lux, the water is sprayed for 10 minutes at intervals of 30 minutes, when the sunlight is more than 1 ten thousand lux, the water is sprayed for 10 minutes at intervals of 50 minutes, when the sunlight is more than 1000lux, the water is sprayed for 10 minutes at intervals of 1.5 hours, and when the sunlight is more than 100lux, the water is sprayed for 10 minutes at intervals of 2 hours). And (3) closing the solar panel until the brightness is lower than 100lux, moving the reactor 1 to the position below the liquid level through the lifting device 8, enabling water to permeate into the reactor 1, and continuously adsorbing pollutants by the photocatalytic gel particles 3.
The photocatalytic gel particles are potassium iodide modified carbon nitride gel particles, and the preparation method of the potassium iodide modified carbon nitride gel particles comprises the following steps: firstly, grinding 1-4g of dicyandiamide and 2-8g of potassium iodide, and putting the uniformly mixed sample into a tubular furnace filled with nitrogen for high-temperature calcination at 500-600 ℃, wherein the heating rate is 2-5 ℃/min, and the calcination time is 4-8h. Stirring the obtained yellow powder in 100mL of deionized water for 8-12h, carrying out suction filtration, and drying the sample in vacuum at 60-80 ℃ for later use; and (2) putting 0.1-0.3g of the prepared sample and 1g-3g of sodium alginate into 50mL of water, fully stirring for 8-10h to disperse uniformly, then, dripping the uniformly dispersed sample into 0.1g/mL-0.3g/mL CaCl2 solution, and preparing gel particles by using a peristaltic pump at the speed of 15 mL/h.
An experiment for adsorbing and degrading methylene blue by using potassium iodide modified carbon nitride gel particles:
as shown in FIG. 3, the gels prepared as described above, respectively, used for adsorbing methylene blue of 0.1ppm (A), 1ppm (B), 5ppm (C), 10ppm (D) and 20ppm (E) in the dark condition, all had a significant adsorption performance. In addition, when the adsorbed gel particles are placed under natural light, methylene blue is obviously degraded by light, and the original color of the gel is restored (F).
Claims (8)
1. A water pollution treatment device having a circadian rhythm, characterized in that: including cylindric reactor (1) that runs through from top to bottom, be equipped with multilayer screen cloth box (2) in reactor (1), lay photocatalysis gel granule (3) in screen cloth box (2), reactor (1) periphery vertically is equipped with many water pipes (4), water pipe (4) are extended to the top by reactor (1) bottom to be connected with spray set (5) at the top, be equipped with a plurality of slewing mechanism (6) on water pipe (4), connect solar panel (7) that a plurality of levels set up through slewing mechanism (6), reactor (1) corresponds the horizontal position opening of solar panel (7), solar panel (7) seal screen cloth box (2) top in revolving into reactor (1) under slewing mechanism (6) drive, perhaps revolve out reactor (1) fully absorb solar energy, reactor (1) below is equipped with elevating gear (8), elevating gear (8) are connected with energy memory (9), energy memory (9) are located above the liquid level, are equipped with photosensitive element (10) simultaneously, judge through photosensitive element (10) pollutant absorption intensity, according to illumination intensity reaction unit (1) light irradiation drive reaction ware (8) under illumination income reaction unit (1) under light, and go into reaction unit (8) or illumination drive reaction unit (1) and under light intensity, the solar panel (7) seals the screen box (2), when the reactor (1) extends out of the liquid level, the solar panel (7) is screwed out by the rotating mechanism (6) to fully absorb solar energy, and meanwhile, the spraying device (5) cleans the photocatalytic gel particles (3) in the screen box (2) opened above;
the photocatalytic gel particles (3) are potassium iodide modified carbon nitride gel particles, and the preparation method of the potassium iodide modified carbon nitride gel particles is as follows: firstly, grinding 1-4g dicyandiamide and 2-8g potassium iodide, putting a uniformly mixed sample into a nitrogen-filled tube furnace for high-temperature calcination, wherein the calcination temperature is 500-600 ℃, the heating rate is 2-5 ℃/min, the calcination time is 4-8h, stirring the obtained yellow powder in 100mL deionized water for 8-12h, performing suction filtration, and drying the sample in vacuum at 60-80 ℃ for later use; putting the prepared sample 0.1-0.3g and 1g-3g sodium alginate into 50mL water, fully stirring 8-10h, uniformly dispersing, and dripping the uniformly dispersed sample into CaCl 0.1g/mL-0.3g/mL 2 In solution, gel particle preparation was carried out using a peristaltic pump at a speed of 15 mL/h.
2. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: when the light sensing element (10) senses that the illumination intensity is greater than 100lux, the lifting device (8) drives the reactor (1) to extend out of the liquid level, the solar panel (7) is screwed out by the rotating mechanism (6) to fully absorb solar energy, and meanwhile, the spraying device (5) cleans photocatalytic gel particles (3) in the screen box (2) opened above; when the illumination intensity is lower than 100lux, the solar panel (7) is closed to rotate, the reactor (1) is moved to the position below the liquid level through the lifting device (8), water permeates into the reactor (1), and the photocatalytic gel particles (3) continuously adsorb pollutants.
3. The water pollution treatment device having a circadian rhythm according to claim 2, wherein: the spraying time interval of the spraying device (5) is conducted through the photosensitive element (10), and the spraying time interval is gradually reduced along with the reduction of the light intensity.
4. The water pollution treatment device having circadian rhythm according to claim 3, characterized in that: when the illumination intensity is more than 5 ten thousand lux, the spraying device (5) sprays for 10 minutes every 30 minutes; when the volume is more than 1 ten thousand lux, spraying for 10 minutes at an interval of 50 minutes; spraying for 10 minutes every 1.5 hours when the volume is more than 1000 lux; when the volume is more than 100lux, spraying is carried out for 10 minutes every 3 hours.
5. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: the screen box (2) comprises a full-circle screen box fixed at the bottom of the reactor (1) and a split fan-shaped screen box arranged above the full-circle screen box, the split fan-shaped screen boxes are distributed in a staggered manner in multiple layers, and the lifting device (8) is fixedly connected with the full-circle screen box at the bottom.
6. The water pollution treatment device having a circadian rhythm according to claim 5, wherein: the lifting device (8) is connected with a spiral column (11) at the upper end, and the split fan-shaped screen box is connected with the spiral column (11) and driven by the same to rotate above the full-circle screen box by an angle.
7. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: and a filter (12) is arranged at the water inlet end of the water pipe (4).
8. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: the inner wall of the reactor (1) is provided with a reflecting mirror surface (13).
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